FCC ID: 2AIN9-MMA-3830 PORTABLE SPEAKER

FCC NOTICE:

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates; uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is Consult the dealer or an experienced radio/TV connected. technician for help. 1 FCC STATEMENT 1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

This device may not cause harmful interference, and This device must accept any interference received, including interference that may cause undesired operation. 2. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 2 LOCATION OF CONTROL 1. Speaker 2. LED Indicator 3 3. M Button 4. Button 5. + Button 6. > Button 7. Hand strap 8. TF (Micro USB) Card Slot 9. USB Port 10. DC 5V (Micro USB) Port (For Charging Only) 11. Power ON/OFF Switch POWER SOURCE The unit has a built-in Li-ion rechargeable battery, charge it before first time use or when it is drained as follows:

1. Connect the small plug from the supplied USB Connection Cable to the DC 5V (Micro USB) Port on the rear of unit. 2. Connect the full size USB Plug from the supplied USB Connection Cable to the USB Port on the Personal Computer or USB Charger (Computer and USB Charger not included). 3. When charging, the Red Indicator on the front of unit will illuminate. When charging is complete, it will turn off. 4 NOTES:

1. During charging, you can also play and listening music at the same time. 2. Your battery will last longer if you following these simple guidelines for caring and storing:

A. Before first time use, recharge the unit approximately 4 hours until the unit is fully charged. B. Charge and store the unit within the temperature range of 5C - 35C (40F - 95F). C. Do not overcharge (longer than 24 hours). Excessive charging or running the unit until completely flat will damage battery. Battery life will be extended if you keep the battery fully charged. D. Battery life naturally shortens slowly over time. E. The rechargeable battery incorporated in this product is not user replaceable. OPERATION:

General Operation:

1. Recharge the built-in Li-ion battery as previously instructed. 2. Slide the Power ON/OFF Switch on the rear of unit to ON position to power on the unit. The Blue Indicator on the front of unit will illuminate (and blink). 3. Presses the M (Mode) Button repeatedly to switch to desired playback mode. The unit will sound the prompt with you selection (see list below):

5 Voice Prompt:

Bluetooth ready for connection USB Playback Modes:

BT (Bluetooth) USB TF (Micro SD) Card Memory Card Note:

If the TF (Micro SD) Card and/or USB Device had NOT inserted into the unit, the correspondence selection will not available. 4. During playback:

Press the > Button on the top of unit to pause; press again to resume to normal playback. Press and release the or buttons repeatedly to adjust volume level as desired. 5. Press and hold the or buttons repeatedly to skip tracks. 6. When finished listening, slide the Power ON/OFF Switch to OFF position to shut off the unit. BT:

BT (Bluetooth) pairing:

First time use or re-pairing the unit to a new BT Device, pair as follows:

1. Power on the unit and enter to BT mode as previously instructed. You will hear an audible prompt say Bluetooth ready for connection and the Blue Indicator on the front of unit will illuminate and blink. 2. Power on the external BT Device and enter to BT searching mode. Start pairing following the on screen instructions from the external BT Device. When paired, the unit will sound a prompt Bluetooth connected 6 3. and the Blue Indicator will stop blinking. If pairing is complete you may now play music and answer the phone with your external BT Device. 4. During playback:

Press the > Button to pause; press again to resume to normal playback. Press and release the or + buttons repeatedly to adjust volume level as desired. Press and hold the or + buttons repeatedly to skip tracks. 5. If the unit is paired to a Cell Phone:

If a call is incoming during an active music session:

Press the > Button then speak to the Microphone to answer the call. When your call is complete, press the > Button to disconnect or end the call and resume to music playback. Or, press and holding the > Button approximately 1 second to decline the incoming phone then resume to music playback. Quick press the > Button twice to redialing the last telephone number. 6. When finished listening, slide the Power ON/OFF Switch to OFF position to shut off the unit. Notes:

When the external BT Device searched the unit, our model number MMA3830 will appear on the display of external BT Device. If while pairing you are asked for a code please try

"0000" or "1234". Normal operation after pairing:

1. Power on the external BT Device and enter to BT 7 playback mode. 2. Power on the unit and enter to BT mode as previously instructed. You will hear an audible prompt say Bluetooth ready for connection and the Blue Indicator on the front of unit will illuminate and blink. 3. Wait a few seconds until the unit is automatically paired to the external BT Device. The unit will sound a prompt Bluetooth connected and the Blue Indicator will stop blinking. 4. After pairing is complete you may now play music and answer calls with your external BT Device. TF (Micro SD) Card:

To play the music in TF (Micro SD) Card:

1. In power off mode, insert the TF (Micro SD) Card (not included) into the TF (Micro SD) Card Slot on the rear of unit with contacts facing up as illustrated below:

2. Power on the unit and enter to TF (Micro SD) Card playback mode as previously instructed:

You will hear an audible prompt say Memory Card. Music in the card will be playback automatically. 3. During playback:

8 Press the > Button to pause; press again to resume to normal playback. Press and release the or + buttons repeatedly to adjust volume level as desired. Press and hold the or + buttons repeatedly to skip tracks. 4. When finished listening, slide the Power ON/OFF Switch to OFF position to shut off the unit. USB:

To play the music in external USB Device:

1. In power off mode, connect the USB Device (not included) into the USB Port on the front of unit as illustrated below:

2. Power on the unit and enter to USB mode as previously instructed:

You will hear an audible prompt say USB. Music in the USB Device will be playback automatically. 3. During playback:

9 Press the > Button to pause; press again to resume to normal playback. Press and release the or + buttons repeatedly to adjust volume level as desired. Press and hold the or + buttons repeatedly to skip tracks. 4. When finished listening, slide the Power ON/OFF Switch to OFF position to shut off the unit. Notes:

Up to 32 GB TF (Micro SD) Card /USB Device the unit supports to play. When inserting the TF (Micro SD) Card /USB Device, make sure the direction you selected is correct. Never insert violently to avoid damaging the TF (Micro SD) Card /USB Device or the unit. If it doesnt work, please check if the direction is correct. Before replacing TF (Micro SD)/USB Device, make sure the unit has been powered off. You also need to download the desired music in MP3 format into the TF (Micro SD) Card /USB Device before insert into the unit. 10 TROUBLE SHOOTING GUIDE Check the following before requesting service:

SYMPTOM POSSIBLE CAUSE POSSIBLE SOLUTION Built-in battery drained Recharge the battery as page 4-5 Slide the Power ON/OFF Cant power on The unit in power off Switch on the rear of unit mode to ON position to power on the unit Increase the volume level by press and release the

+ Button repeatedly Rise the volume level of the Reduce the volume level by press and release the

- Button repeatedly Reduce the volume level of Volume of the unit was No sound or set to minimum position sound weak Volume level of paired device is in low level paired device Volume level too high Sound distortion Volume level of the paired device too high the paired device The external BT device had NOT paired to the Pair the external BT device to the unit as page 6-8 The external BT device Place the external BT too far from the unit device close to the unit BT not functioning unit 11 GENERAL SPECIFICATIONS:

Power Source:

Impedance of Speakers:

Audio Power:

BT Version:

BT Operation Distance:

3.7V, 1200mAh Built-in DC

(4.4Wh) rechargeable Li-ion Battery; recharge by DC through the DC 5V (Micro USB) Port 5V 3W; 4 1.8W (RMS) 5.0 Up to 32 Feet in open area PACKAGE INCLUDES:

1 x Owners Manual 1 x USB Connection Cable (For Charging Only) SPECIFICATIONS AND ACCESSORIES ARE SUBJECT TO CHANGE WITHOUT NOTICE 12

GXTSONIC TECHNOLOGY (Hk) LIMITED Agent Authorization Company: GXTSONIC TECHNOLOGY (HK) LIMITED Address: FLAT/RM812, 8/F, HARRY INDUSTRIAL BUILDING 49-51 AU PUI WAN STREET FOTAN, NT, HONGKONG Product Name: PORTABLE SPEAKER Model Number(s): CMA3830, MMA3830, CS-162 Product Description: Portable speaker with Bluetooth function We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on- dur Henalf &Hal/have the same effect as acts of our own. gout TECHNOLOGY (HK) 11 RSME AR A Signature: ----* a ( Date: 2020/04/15 Authorized Sjej 0" fe) Name: Summer Yang ee Title: Marketing Director Company: GXTSONIC TECHNOLOGY (HK) LIMITED

GXTSONIC TECHNOLOGY (HK) LIMITED Declaration of difference April 15, 2020 Date:

The product: PORTABLE SPEAKER Model No.: CMA3830, MMA3830, CS-162 FCC ID: 2AIN9-MMA-3830 Dear Examiner, There are 3 kinds of products in this report, all models are identical in schematic and structure. Only the name is different for all the models, therefore the test performed on the model CS-162 and record in this report.

| attest that the certified device will not be capable of ad-hoc mode operation outside of the grant conditions. or and on behalf :

CXTSONIC TECHN Signature:

Sincerely.

GXTSONIC TECHNOLOGY (HK) LIMITED Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2020/04/15 Subject; Request for Confidentiality FCC ID: 2AIN9-MMA-3830 To Whom It May Concern, Pursuant to the provisions of the Commission's rules Title 47 Sections 0.457 and 0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. XX] Schematic Diagram

>] Block Diagram

[] Parts List Operational Description

[| Tune-up Procedure In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR 2.803 and the importation rules in Title 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s);

x] External Photos XI Test Setup Photos Internal Photos x] User Manual

[_] For 45 days, pursuant to Public Notice DA 04-1705. OR

(X] For 180 days pursuant to KDB 726920 D01. _ It is our understanding that all measurement-test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorizationis issued on behalf of GXTSONIC TECHNOL 0 Sincerely, (SHR we) oe a ode \

Signature:

Name: Summer Yang Title: Marketing Director